Manufacture of glass plates.



N0- 805,609. PATENTED NOV. 28, 1905.

B. 0. WHITE.

MANUFACTURE OF GLASS PLATES.

APPLIOATION FILED JUNE 17, 1905.

BRUCE CLARK WHITE, OF MOSGROVE, PENNSYLVANIA.

MANUFACTURE OF GLASS PLATES.

Specification of Letters Patent.

Patented Nov. 28, 1905.

Application filed June 17, 1905. Serial No. 265,814.

To all whom it may concern:

Be it known that I, BRUCE CLARKWHITE, a citizen of the United States,residing at Mosgrove, in the county of Armstrong and State ofPennsylvania,have invented or discovered certain new and usefulImprovements in the Manufacture of Glass Plates, of which improvementsthe following is a specification.

The invention described herein relates to certain improvements in themanufacture of compound sheets of glass, the improvements beingespecially applicable to the manufacture of wire-glass.

The invention has for its object the production of two or more sheets ofglass and the deposition of the formed sheets upon a bed or platen, thesuccessive sheet or sheets being arranged upon the previously-depositedsheets.

The invention has also for its object the interposition between adjacentsheets of glass of a metallic web having interstices, such asWire-netting. 1 l

The invention is hereinafter more fully described and claimed.-

In the accompanying drawings, forming a part of this specification,Figure 1 is a sectional elevation of my improved glass-forming machine.Fig. 2 is a top plan View of the same, and Figs. 3 and 4: are sectionaleleva-' tions illustrating a modification of a portion of the machine.

In the practice of my invention I employ two or more pairs of rolls 11*, 2 2, &c., which are mounted in suitable hearings on a frame 3.Provision is made for driving these rolls in such direction as to feedthe glass contained in the hoppers 4 down between the rolls and impartthereto the desired sheet form. The hoppers A may be supported in anysuitable manneras, for example, by the rolls themselvesand havesuitably-inclined sides for directing the glass down between the rolls.The sheets as they are formed are deposited one directly upon a table orplaten 5 and the other upon the previously-formed sheet already inposition on the table. The apparatus may be constructed so that eitherthe sheet-forming rolls or the platen have a movement relative to eachother, so that the sheets as formed will be deposited uniformly andevenly upon the bed or previously-deposited sheet. In the constructionshown the platen is made movable back and forth under the rolls and isshifted by any suitable power mechanismsuch, for example, as drums 6 onthe shafts of two of the rolls, as 2 2, and ropes 7, extending from thedrums around suitable guide-pulleys 8 to the bed or platen.

table, a presser-roller 11 is mounted in suitable bearings on levers 12,mounted on the frame of the machine. In order to regulate the pressureto which the sheets are subjected and also the amount of reduction to beeffected by the roller, adjusting-screws 13 are provided, which willbear against the ends of the levers and prevent too great a movement ofthe pressing-roller. In lieu of the roller 11 for compressing the glasson the table I may employ a presser-plate 14:, as shown in Figs. Sandi.This plate is arranged to move between suitable posts or standards 15and may be operated in any suitable manneras, for example, by eccentrics16 on the shafts 17, Which should be driven in unison by a suitableconnection to a power mechanism.

In the operation of my machine the table or platen 5 is shifted so thatone end, as the right-hand end thereof, is above the gap be tween therolls 1 and 1*. As these rolls rotate, causing the glass to pass downonto the table, the table is moved to the right, so that the sheet willbe spread smoothly and uniformly over the platen or bed. As the end ofthe table passes under the next succeeding pair of rolls 2 2 the sheetformed thereby will pass down onto the previously-deposited sheet, andas the table or platen moves on it willbe smoothly and uniformlydistributed over the previous sheet. When it is desired to manufacturewire-glass or glass reinforced by a metallic Web, the latter is fed downonto the first-deposited sheet through a suitable guide 18, as theforward end of the table passes between two pairs of sheet-formingrolls, so that the second or any succeeding sheet of glass will bedeposited upon the metallic web or netting. By the action of thepresser-roller 11 or the presser-plate 14 heretofore described thesheets of glass are firmly pressed together thereby, when a metallic webor netting has been arranged between the sheets, embodying the samebetween the sheets formed by the rolls.

I claim herein as my invention 1. In a machine for making glass plates,the combination of two or more pairs of rolls each pair of rolls beingadapted to form between them a sheet of glass and a bed or platenarranged to receive the sheets when formed, one of said elements, 2'. e.the pairs of rolls or the platen being movable relative to the other therolls being arranged to deposit the sheets formed by them in successionon the platen.

2. In a machine for making glass plates, the combination of two or morepairs of rolls, each pair of rolls being adapted to form between them asheet of glass, a bed or platen arranged to receive the sheets whenformed one of said elements, e. the pairs of rolls or the platenbeingmovable relative to the other the rolls being arranged to deposit thesheets formed by them in succession on the platen and means for pressingsaid sheets together.

3. In a machine for making glass plates, the combination of two or morepairs of rolls, each pair being adapted to form between them a sheet ofglass, a bed or platen arranged to receive the sheets when formechone ofsaid elements, 6. e. the pairs of rolls or the platen being movablerelative to the other the rolls being arranged to deposit the sheetsformed by them in succession on the platen, and means for placing ametallic web between the sheets.

4. In a machine for making glass plates, the combination of two or morepairs of rolls, each pair being adapted to form between them a sheet ofglass, a bed or platen arranged to receive the sheets when formed one ofsaid elements, 2'. e. the pairs of rolls or the platen being movablerelative to the other the rolls being arranged to deposit the sheetsformed by them in succession on the platen, means for placing a metallicweb between the sheets and means for exerting pressure on the sheets.

5. In a machine for making glass plates, the combination of a bed orplaten, a series of two or more pairs of rolls arranged in succession,each pair of rolls being adapted to form between them a sheet of glass,one pair of rolls cooperating with the bed or platen to deposit thesheet formed by the rolls on the bed or platen, and the other pair orpairs of rolls cooperating with the bed or platen to superimpose thesheet or sheets formed thereby on the previously-formed sheet or sheets.

6. In a machine for making glass plates, the combination of a bed orplaten, a series of two or morepairs of rolls arranged in succession,each pair of rolls being adapted to form between them a sheet of glass,one pair of rolls cooperating with the bed or platen to deposit a sheetformed by the rolls on the bed or platen, the succeeding pair of rollscooperating with the bed or'platen to superpose the sheet formed therebyon the previouslyformed sheet, and a roll for compressing the sheetswhen arranged on the table or platen. 7. In a machine for making glassplates, the combination of a bed or platen, a series of two or morepairs of rolls, each pair of rolls being adapted to form between them asheet of glass, said rolls and platen cooperating to deposit the sheetsin succession on the bed or platen, means for depositing a metallic webon the glass sheet in advance of the placing the succeeding sheetthereon, and a roll cooperating with the platen to compress the sheets.8. The method herein described of making glass plates which consists informing two or more sheets of glass, depositing one of themalongasupporting-surface and then depositing the second sheet on thepreviously-arranged sheet and subjecting the sheets to pressure.

9. The method herein described of making glass plates which consists offorming two or more sheets of glass, depositing them in succession oneupon a supporting-surface and the other upon the first sheet andinterposing a metallic web or fabric between the sheets.

In testimony whereof I have hereunto set my hand.

BRUCE CLARK WHITE.

Witnesses CHARLES BARNETT, HERBERT BRADLEY.

